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Sony Spresense Extension Board – Flexible Development Platform for IoT and Multimedia Projects

Arduino-compatible extension board with microphone input, SD card slot, and versatile I/O support for IoT and multimedia development.

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Important Update

This component is now available through our sister company, RESTAR FRAMOS. For a production-ready alternative, explore our compatible integrated modules.

Product Overview

The Spresense Extension Board offers expanded connectivity for Arduino shields, audio inputs, and microSD storage, ideal for IoT and multimedia applications.

The Spresense Extension Board is a highly flexible development platform designed to enhance the functionality of the Spresense main board (CXD5602PWBMAIN1), offering a comprehensive solution for IoT, multimedia, and embedded systems applications. Its robust set of features makes it an ideal choice for developers looking to rapidly prototype and deploy smart devices, environmental sensors, and audio processing systems.

One of the key advantages of the Spresense Extension Board is its versatility in connectivity. It includes Arduino Shield connectors, enabling users to expand their projects by integrating a wide range of third-party shields. Additionally, it features a micro SD card slot, allowing for extended storage capabilities crucial for data logging and multimedia applications.

The board also caters to a variety of input requirements with its support for both analog and digital microphone inputs. This includes 6 channels of analog input and 8 channels of digital mic input, offering flexibility for applications such as sound detection, voice recognition, and audio streaming. Moreover, the board is capable of handling 3.3V/5.0V digital I/O, which ensures compatibility with various external devices and sensors, making it suitable for diverse IoT use cases.

For audio applications, the inclusion of a headphone jack is particularly useful, facilitating the development of multimedia solutions such as music players, voice assistants, and other sound-based projects. This feature, combined with the board’s microphone inputs, provides a complete audio processing platform for developers.

In terms of software compatibility, the Spresense Extension Board is fully supported by the Arduino IDE and NuttX SDK, streamlining the development process for those familiar with these environments. The board simplifies prototyping, reducing the time from concept to execution, and is ideal for building solutions in areas like smart home devices, environmental monitoring, industrial automation, and more.

  • Compatible with Spresense main board (CXD5602PWBMAIN1)
  • Arduino Shield connectors for expanded project versatility
  • Micro SD card slot for additional storage capacity
  • Supports 6 channels of analog input and 8 channels of digital microphone input
  • 3.3V/5.0V digital I/O support
  • Headphone jack for audio application development
  • Compatible with Arduino IDE and NuttX SDK

The Spresense Extension Board’s broad feature set and ease of integration make it a powerful tool for developers in the fields of IoT, multimedia, and beyond, allowing for rapid prototyping and diverse application development.


Product Specifications

Audio Input/OutputAudio Input/Output
8 ch digital mic input or 4 ch analog mic input, headphone output
Digital Input/OutputDigital Input/Output
3.3 V or 5 V digital I/O
External Memory InterfaceExternal Memory Interface
micro SD card slot
FeaturesFeatures
Analog input: 6 ch (5.0 V range)
ManufacturerManufacturer
Sony
Processor FamilyProcessor Family
Sony

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